Current Conditions
More Information
WeatherCity Home
Switch to Metric Units
[ Almanac ]  
Sunrise:  5:39 am
Sunset:  8:23 pm
[ Moon Phases ]  

First Quarter
Jul 22

Full Moon
Jul 29

Last Quarter
Aug 6

New Moon
Aug 13




July 16th, 2026 :: 12:10 pm CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated July 16th at 10:54 am 
Temperature:88°F Dew Point:72°F
Barometer:30.09 inHg Wind: 6 Mph
Humidity:58.8% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jul 16th
Friday
Jul 17th
Saturday
Jul 18th
Sunday
Jul 19th
Monday
Jul 20th
Sunny Mostly Sunny Mostly Sunny Sunny Mostly Sunny
87°F
86°F
73°F
86°F
71°F
82°F
69°F
89°F
68°F
 
 Decatur Detailed Weather Forecast  
 
Thursday, July 16th, 2026
Afternoon Temperature: 86°F
Sunny with a slight chance of showers or thundershowers.
Evening Temperature: 79°F
Mostly clear with a chance of showers or thundershowers.
Friday, July 17th, 2026
Overnight Temperature: 73°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Morning Temperature: 78°F
Sunny with a chance of showers or thundershowers.
Afternoon Temperature: 84°F
Mostly sunny with a chance of showers or thundershowers.
Evening Temperature: 78°F
Mostly clear with a chance of showers or thundershowers.
Saturday, July 18th, 2026
Overnight Temperature: 72°F
Clear with cloudy periods with a chance of showers or thundershowers.
Morning Temperature: 76°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 86°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
Clear with a slight chance of showers or thundershowers. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 74°F
Clear. Chance of a thunderstorm.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm.
Monday, July 20th, 2026
Overnight Temperature: 69°F
Mostly clear.
Morning Temperature: 75°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 21st, 2026
Overnight Temperature: 76°F
Clear. Chance of a thunderstorm.
Morning Temperature: 68°F
Mostly sunny. Windy at times.
Afternoon Temperature: 72°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 67°F
Cloudy.
Wednesday, July 22nd, 2026
Overnight Temperature: 65°F
Cloudy with clear periods.
Morning Temperature: 65°F
Sunny.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 67°F
Clear.
Thursday, July 23rd, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 65°F
Sunny.
Afternoon Temperature: 77°F
Sunny with cloudy periods.
Evening Temperature: 69°F
Clear with cloudy periods.
Friday, July 24th, 2026
Overnight Temperature: 62°F
Clear with cloudy periods.
Morning Temperature: 69°F
Sunny with cloudy periods.
Afternoon Temperature: 80°F
Mostly sunny.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Monticello, IL 
 
Sullivan, IL 
 
Clinton, IL 
 
Shelbyville, IL 
 
Tuscola, IL 
 
Taylorville, IL 
 
Pana, IL 
 
Champaign, IL 
10:53 AM  86°F
Mostly Sunny
 
Lincoln, IL 
 
Urbana, IL 
10:53 AM  86°F
Mostly Sunny

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

  Decatur weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00282s  
Home   |   About WeatherCity